JAMB - Mathematics (1981 - No. 6)
A group of 14 children children received the following scores in a reading test: 35, 35, 26, 26, 26, 29, 29, 29, 12, 25, 25, 25, 25, 17. What was the median score?
29
26
24
25
23
Wyjaśnienie
Arranging the scores in ascending order:
12, 17, 25, 25, 25, 25, 26, 26, 26, 29, 29, 29, 35, 35.
The median is the average of the 7th and 8th marks.
= \(\frac{26 + 26}{2} = 26\)